gain

gain

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• Trapped Dipole for 12 and 17 Meters - A small sized and very cheap antenna project that allow you to work on WARC bands with a total gain very close to the dipole in both bands. On 12 meters is a normal dipole, while on 17 is a trapped dipole. Article in Italia
  [ Hits: 887 | Votes: 1 | Rating: 1 ]

• 160M Folded Counterpoise - An FCP is not magic. It has no gain. An FCP improves an antenna system by replacing more loss with less loss. Some have been able to erect better wires in the air because the small size of the FCP allowed better placement of the antenna.
  [ Hits: 252 | Votes: 0 | Rating: 0 ]

• A Portable Quad for 2 Meters - Backpacking, boating or mountaintopping ? Invest your time and pack this novel directional gain antenna on your next expedition
  [ Hits: 1577 | Votes: 7 | Rating: 6.86 ]

• 2 Element 30 meter Yagi Antenna - Dimensions and EZNEC plots for a 2 Element 30 meter Yagi antenna with 28 Ohm featuring 4.3 dBd Gain and a 16dB F/B with a good bandwidth.
  [ Hits: 914 | Votes: 2 | Rating: 6.5 ]

• Delta Loop DX Antenna for 40 meters band - A monoband delta loop antenna for the 7 MHz. This vertically polarized DX Antenna is a full wavelength sngle side antenna and has a total length of 42.3 meters (137,1 inch) Can be easily setup with a flag pole or fishing pole as center top mast. For optimal performance lower side should be at 2 meter above the ground. This antenna offers a low radiation angle and 1 DB Gain.
  [ Hits: 433 | Votes: 3 | Rating: 6.33 ]

• 3 Element 12,5 Ohm Yagi for 50 MHz - Article about a high-gain, narrow-band version feature 7.15 dBd and a F/B 13dB with details on how to setup in array mode
  [ Hits: 469 | Votes: 2 | Rating: 6.5 ]

• EF7018 - UHF 18 Elements Yagi Antenna Plan - A 70 cm yagi antenna design by YU7EF includes tables with antenna elements dimension and spacing. This UHF Yagi antenna plan provides a maximum gain of 17.93 db
  [ Hits: 321 | Votes: 0 | Rating: 0 ]

• Mixed Mode Helical Antenna - An experimental omni-directional antenna for 70cm which has both horizontal and vertical gain
  [ Hits: 1006 | Votes: 3 | Rating: 8 ]

• Horizontal Loop Antenna Experiments - The HF horizontal loop has been around for many years now. This article includes a YouTube video and discusses the reasons for looking at this antenna, its design, and its installation. There are some on-air comparisons against three regular double bazooka (coax) dipoles and the Par SWL End-Fed antenna.
  [ Hits: 926 | Votes: 5 | Rating: 8 ]

• Magnetic Loop antenna for VHF - A magnetic loop antenna for the VHF band, featuring a high gain that can be compared to a quarter wave vertical antenna
  [ Hits: 734 | Votes: 9 | Rating: 5.99 ]

• Morgain 40-80 by IM0JZJ - This folded dipole, can be even built for 10 and 20 meters band, and can also give good results on 15 meters, with the sole lenght of just 20 meter of total lenght. Originally born to work on 40 meters, can be adapted for any band.
  [ Hits: 1716 | Votes: 7 | Rating: 6.71 ]
• Morgain Antenna, the old lady - An introduction to history of Morgain Antenna, since the early origins in Virginia, to the current home made projects and design available on the net. Article in Italian
  [ Hits: 1469 | Votes: 6 | Rating: 7.33 ]
• Morgain Antenna by DL6GD - A schematic antenna for a 40-80 Morgain dipole antenna with diagram and pictures, article partially in german
  [ Hits: 1489 | Votes: 6 | Rating: 6.5 ]

• Antenna Gain - We all think we know about it, we all think we need it, but what is it really?
  [ Hits: 460 | Votes: 0 | Rating: 0 ]

• Simple Gain Antennas for the Beginner - You do not need to invest an absurd amount of money to build a beam type of antenna. Good performance can be obtained with simple antennas made from some very ordinary materials. QST article
  [ Hits: 1061 | Votes: 4 | Rating: 6.5 ]

• ICOM 756 and 756PRO - Ini this article the author compare the Icom 756 and Icom IC 756 PRO. Comparison is very detailed and includes S Meter Calibration, Microphone Gain, Transverter Jack, the noise blanked, the spectrum analyzer, audio quality, notch filter, compression meter, noise reduction, sensivity and filter settings along to many other features making this article a must for who want to compare this two models
  [ Hits: 234 | Votes: 1 | Rating: 8 ]

• SM Elettronica - Italian ham radio dealer for major brands like Icom Kenwood Yaesu HY-GAIN Heil Sound Rigexpert Palstar GAP antennas Diamond SteppIR and others
  [ Hits: 362 | Votes: 9 | Rating: 7.78 ]

• Repairing Rotators - An article on CDE/Hy-Gain/MFJ antenna rotator repairing
  [ Hits: 438 | Votes: 0 | Rating: 0 ]

• 435 plus 1296MHz ATF54143 Pre-amplifier - The prototype for this amplifier was originally designed for 70cm and was used on the 2004 3B9C Dx-pedition to Rodriguez Island for satellite and EME. It had a noise figure of 0.49dB with an associated gain of 20dB.
  [ Hits: 336 | Votes: 0 | Rating: 0 ]

• Antuino - Antenna Test Equipment - Antuino is an accurate instrument that can be used in the field to measure SWR, field strength, modulation, etc. In the lab, it can be used to sweep filters, measure gain, distortion, frequency response, etc. It works upto 150 Mhz. On the third harmonic, it is usable on 435 Mhz band as well (with reduced sensitivity).
  [ Hits: 305 | Votes: 0 | Rating: 0 ]

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